+++ /dev/null
-/* Copyright (c) 2004-2015. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "src/msg/msg_private.h"
-#include "src/msg/msg_mailbox.h"
-#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "simgrid/simix.h"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg);
-
-/** @addtogroup m_host_management
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Hosts" --> \endhtmlonly
- * (#msg_host_t) and the functions for managing it.
- *
- * A <em>location</em> (or <em>host</em>) is any possible place where
- * a process may run. Thus it may be represented as a
- * <em>physical resource with computing capabilities</em>, some
- * <em>mailboxes</em> to enable running process to communicate with
- * remote ones, and some <em>private data</em> that can be only
- * accessed by local process.
- * \see msg_host_t
- */
-
-/********************************* Host **************************************/
-msg_host_t __MSG_host_create(sg_host_t host) // FIXME: don't return our parameter
-{
- msg_host_priv_t priv = xbt_new0(s_msg_host_priv_t, 1);
-
-#ifdef MSG_USE_DEPRECATED
- int i;
- char alias[MAX_ALIAS_NAME + 1] = { 0 }; /* buffer used to build the key of the mailbox */
-
- priv->mailboxes = (msg_global->max_channel > 0) ?
- xbt_new0(msg_mailbox_t, msg_global->max_channel) : NULL;
-
- for (i = 0; i < msg_global->max_channel; i++) {
- sprintf(alias, "%s:%d", name, i);
-
- /* the key of the mailbox (in this case) is build from the name of the host and the channel number */
- priv->mailboxes[i] = MSG_mailbox_new(alias);
- memset(alias, 0, MAX_ALIAS_NAME + 1);
- }
-#endif
-
-
- priv->dp_objs = xbt_dict_new();
- priv->dp_enabled = 0;
- priv->dp_updated_by_deleted_tasks = 0;
- priv->is_migrating = 0;
-
- priv->affinity_mask_db = xbt_dict_new_homogeneous(NULL);
-
- priv->file_descriptor_table = xbt_dynar_new(sizeof(int), NULL);
- for (int i=1023; i>=0;i--)
- xbt_dynar_push_as(priv->file_descriptor_table, int, i);
-
- sg_host_msg_set(host,priv);
-
- return host;
-}
-
-/** \ingroup m_host_management
- * \brief Finds a msg_host_t using its name.
- *
- * This is a name directory service
- * \param name the name of an host.
- * \return the corresponding host
- */
-msg_host_t MSG_host_by_name(const char *name)
-{
- return (msg_host_t) xbt_lib_get_elm_or_null(host_lib,name);
-}
-
-/** \ingroup m_host_management
- *
- * \brief Set the user data of a #msg_host_t.
- *
- * This functions checks whether some data has already been associated to \a host
- or not and attach \a data to \a host if it is possible.
- */
-msg_error_t MSG_host_set_data(msg_host_t host, void *data) {
- sg_host_user_set(host, data);
- return MSG_OK;
-}
-
-/** \ingroup m_host_management
- *
- * \brief Return the user data of a #msg_host_t.
- *
- * This functions checks whether \a host is a valid pointer or not and return
- the user data associated to \a host if it is possible.
- */
-void *MSG_host_get_data(msg_host_t host) {
- return sg_host_user(host);
-}
-
-/** \ingroup m_host_management
- *
- * \brief Return the name of the #msg_host_t.
- *
- * This functions checks whether \a host is a valid pointer or not and return
- its name.
- */
-const char *MSG_host_get_name(msg_host_t host) {
- return SIMIX_host_get_name(host);
-}
-
-/** \ingroup m_host_management
- *
- * \brief Return the location on which the current process is executed.
- */
-msg_host_t MSG_host_self(void)
-{
- return MSG_process_get_host(NULL);
-}
-
-
-/** \ingroup m_host_management
- *
- * \brief Start the host if it is off
- *
- * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy for more info on DVFS.
- */
-void MSG_host_on(msg_host_t host)
-{
- simcall_host_on(host);
-}
-
-/** \ingroup m_host_management
- *
- * \brief Stop the host if it is on
- *
- * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy for more info on DVFS.
- */
-void MSG_host_off(msg_host_t host)
-{
- simcall_host_off(host);
-}
-
-/*
- * \brief Frees private data of a host (internal call only)
- */
-void __MSG_host_priv_free(msg_host_priv_t priv)
-{
-
- if (priv == NULL)
- return;
- unsigned int size = xbt_dict_size(priv->dp_objs);
- if (size > 0)
- XBT_WARN("dp_objs: %u pending task?", size);
- xbt_dict_free(&priv->dp_objs);
- xbt_dict_free(&priv->affinity_mask_db);
- xbt_dynar_free(&priv->file_descriptor_table);
-#ifdef MSG_USE_DEPRECATED
- free(priv->mailboxes);
-#endif
-
- free(priv);
-}
-
-/*
- * \brief Destroys a host (internal call only)
- */
-void __MSG_host_destroy(msg_host_t host) //FIXME: killme?
-{
- /* TODO:
- * What happens if VMs still remain on this host?
- * Revisit here after the surf layer gets stable.
- **/
- sg_host_msg_destroy(host);
-}
-
-/** \ingroup m_host_management
- * \brief Return the current number MSG hosts.
- */
-int MSG_get_host_number(void)
-{
- return xbt_lib_length(host_lib);
-}
-
-#ifdef MSG_USE_DEPRECATED
-msg_host_t *MSG_get_host_table(void)
-{
- void **array;
- int i = 0;
- xbt_lib_cursor_t cursor;
- char *key;
- void **data;
-
- if (xbt_lib_length(host_lib) == 0)
- return NULL;
- else
- array = xbt_new0(void *, xbt_lib_length(host_lib));
-
- xbt_lib_foreach(host_lib, cursor, key, data) {
- if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST)
- array[i++] = data[MSG_HOST_LEVEL];
- }
-
- return (msg_host_t *)array;
-}
-#endif
-
-/** \ingroup m_host_management
- * \brief Return a dynar containing all the hosts declared at a given point of time
- * \remark The host order in the returned array is generally different from the host creation/declaration order in the XML platform (we use a hash table internally)
- */
-xbt_dynar_t MSG_hosts_as_dynar(void) {
- return sg_hosts_as_dynar();
-}
-
-/** \ingroup m_host_management
- * \brief Return the number of MSG tasks currently running on a
- * #msg_host_t. The external load is not taken in account.
- */
-int MSG_get_host_msgload(msg_host_t h)
-{
- xbt_assert((h != NULL), "Invalid parameters");
- xbt_die( "Not implemented yet");
-
- return (0);
-}
-
-/** \ingroup m_host_management
- * \brief Return the speed of the processor (in flop/s), regardless of
- the current load on the machine.
- */
-double MSG_get_host_speed(msg_host_t h)
-{
- xbt_assert((h != NULL), "Invalid parameters");
-
- return sg_host_get_speed(h);
-}
-
-
-/** \ingroup m_host_management
- * \brief Return the number of cores.
- *
- * \param host a host
- * \return the number of cores
- */
-int MSG_host_get_core_number(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters");
-
- return sg_host_get_core(host);
-}
-
-/** \ingroup m_host_management
- * \brief Return the list of processes attached to an host.
- *
- * \param host a host
- * \return a swag with the attached processes
- */
-xbt_swag_t MSG_host_get_process_list(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters");
-
- return (simcall_host_get_process_list(host));
-}
-
-
-/** \ingroup m_host_management
- * \brief Returns the value of a given host property
- *
- * \param host a host
- * \param name a property name
- * \return value of a property (or NULL if property not set)
- */
-const char *MSG_host_get_property_value(msg_host_t host, const char *name)
-{
- return xbt_dict_get_or_null(MSG_host_get_properties(host), name);
-}
-
-/** \ingroup m_host_management
- * \brief Returns a xbt_dict_t consisting of the list of properties assigned to this host
- *
- * \param host a host
- * \return a dict containing the properties
- */
-xbt_dict_t MSG_host_get_properties(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
-
- return (simcall_host_get_properties(host));
-}
-
-/** \ingroup m_host_management
- * \brief Change the value of a given host property
- *
- * \param host a host
- * \param name a property name
- * \param value what to change the property to
- * \param free_ctn the freeing function to use to kill the value on need
- */
-void MSG_host_set_property_value(msg_host_t host, const char *name, char *value,void_f_pvoid_t free_ctn) {
-
- xbt_dict_set(MSG_host_get_properties(host), name, value,free_ctn);
-}
-
-
-/** @ingroup m_host_management
- *
- * @brief Determine if a host is up and running.
- *
- * See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
- *
- * @param host host to test
- * @return Returns true if the host is up and running, and false if it's currently down
- */
-int MSG_host_is_on(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return sg_host_get_state(host);
-}
-/** @ingroup m_host_management
- *
- * @brief Determine if a host is currently off.
- *
- * See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
- */
-int MSG_host_is_off(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return !(sg_host_get_state(host));
-}
-
-/** \ingroup m_host_management
- * \brief Set the parameters of a given host
- *
- * \param host a host
- * \param params a prameter object
- */
-void MSG_host_set_params(msg_host_t host, vm_params_t params)
-{
- simcall_host_set_params(host, params);
-}
-
-/** \ingroup m_host_management
- * \brief Get the parameters of a given host
- *
- * \param host a host
- * \param params a prameter object
- */
-void MSG_host_get_params(msg_host_t host, vm_params_t params)
-{
- simcall_host_get_params(host, params);
-}
-
-/** \ingroup m_host_management
- * \brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref SURF_plugin_energy.
- *
- * \param host host to test
- * \param pstate_index pstate to test
- * \return Returns the processor speed associated with pstate_index
- */
-double MSG_host_get_power_peak_at(msg_host_t host, int pstate_index) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return (simcall_host_get_power_peak_at(host, pstate_index));
-}
-
-/** \ingroup m_host_management
- * \brief Return the current speed of the processor (in flop/s)
- *
- * \param host host to test
- * \return Returns the current processor speed
- */
-double MSG_host_get_current_power_peak(msg_host_t host) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return simcall_host_get_current_power_peak(host);
-}
-
-/** \ingroup m_host_management
- * \brief Return the total count of pstates defined for a host. See also @ref SURF_plugin_energy.
- *
- * \param host host to test
- */
-int MSG_host_get_nb_pstates(msg_host_t host) {
- return sg_host_get_nb_pstates(host);
-}
-
-/** \ingroup m_host_management
- * \brief Sets the speed of the processor (in flop/s) at a given pstate. See also @ref SURF_plugin_energy.
- *
- * \param host host to test
- * \param pstate_index pstate to switch to
- */
-void MSG_host_set_pstate(msg_host_t host, int pstate_index) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
-
- simcall_host_set_pstate(host, pstate_index);
-}
-/** \ingroup m_host_management
- * \brief Gets the pstate at which the given host is currently running. See also @ref SURF_plugin_energy.
- *
- * \param host host to test
- */
-int MSG_host_get_pstate(msg_host_t host) {
- return sg_host_get_pstate(host);
-}
-
-/** \ingroup m_host_management
- * \brief Return the total energy consumed by a host (in Joules). See also @ref SURF_plugin_energy.
- *
- * \param host host to test
- * \return Returns the consumed energy
- */
-double MSG_host_get_consumed_energy(msg_host_t host) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return sg_host_get_consumed_energy(host);
-}
-/** \ingroup m_host_management
- * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
- *
- */
-double MSG_host_get_wattmin_at(msg_host_t host, int pstate){
- return simcall_host_get_wattmin_at(host, pstate);
-}
-/** \ingroup m_host_management
- * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
- *
- */
-double MSG_host_get_wattmax_at(msg_host_t host, int pstate){
- return simcall_host_get_wattmax_at(host, pstate);
-}
-
-/** \ingroup m_host_management
- * \brief Return the list of mount point names on an host.
- * \param host a host
- * \return a dict containing all mount point on the host (mount_name => msg_storage_t)
- */
-xbt_dict_t MSG_host_get_mounted_storage_list(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_mounted_storage_list(host));
-}
-
-/** \ingroup m_host_management
- * \brief Return the list of storages attached to an host.
- * \param host a host
- * \return a dynar containing all storages (name) attached to the host
- */
-xbt_dynar_t MSG_host_get_attached_storage_list(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_attached_storage_list(host));
-}
-
-/** \ingroup m_host_management
- * \brief Return the content of mounted storages on an host.
- * \param host a host
- * \return a dict containing content (as a dict) of all storages mounted on the host
- */
-xbt_dict_t MSG_host_get_storage_content(msg_host_t host)
-{
- xbt_assert((host != NULL), "Invalid parameters");
- xbt_dict_t contents = xbt_dict_new_homogeneous(NULL);
- msg_storage_t storage;
- char* storage_name;
- char* mount_name;
- xbt_dict_cursor_t cursor = NULL;
-
- xbt_dict_t storage_list = simcall_host_get_mounted_storage_list(host);
-
- xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
- storage = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib,storage_name);
- xbt_dict_t content = simcall_storage_get_content(storage);
- xbt_dict_set(contents,mount_name, content,NULL);
- }
- xbt_dict_free(&storage_list);
- return contents;
-}
-
-int __MSG_host_get_file_descriptor_id(msg_host_t host){
- msg_host_priv_t priv = sg_host_msg(host);
- xbt_assert(!xbt_dynar_is_empty(priv->file_descriptor_table),
- "Too much files are opened! Some have to be closed.");
- return xbt_dynar_pop_as(priv->file_descriptor_table, int);
-}
-
-void __MSG_host_release_file_descriptor_id(msg_host_t host, int id){
- msg_host_priv_t priv = sg_host_msg(host);
- xbt_dynar_push_as(priv->file_descriptor_table, int, id);
-}
